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Answered 2014-11-22 14:49:13

Every color of light has the same identical speed in vacuum. Radio, X-rays,
microwaves, heat waves, and gamma rays also all have the same speed.


All colours travel at the same speed.

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Answered 2014-11-11 02:16:49

Every color of light has the same identical speed in vacuum. Radio, X-rays,
microwaves, heat waves, and gamma rays also all have the same speed.

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Answered 2014-11-22 14:49:13

All colours travel at the same speed.

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The entire electromagnetic spectrum travels at the same speed. The speed of light.


Colors don't "move through the spectrum". Light of different colors has the same speed in a vacuum. In transparent materials such as glass or water, there are slight differences in speed, but that depends on the materal.


All electromagnetic waves regardless of their wavelengths, including all colors of light, have the same identical speed in a vacuum.


As the medium through which light propagates in space is closes to a vacuum, light propagates very well in space. However, it travels at the same speed as it would on earth, as light travels at 299,792,458m/s in a vacuum, regardless of where that vacuum is located.


No the speed of light is independent of the color. The speed of light is dependent on the optical refractive index of the material or medium it is travelling through (in a vacuum light of any color has a speed equal to about 299,792,458 meters / second)


At about 2/3 the speed of light in a vacuum.At about 2/3 the speed of light in a vacuum.At about 2/3 the speed of light in a vacuum.At about 2/3 the speed of light in a vacuum.


As the medium through which light propagates in space is closes to a vacuum, light propagates very well in space. However, it travels at the same speed as it would on earth, as light travels at 299,792,458m/s in a vacuum, regardless of where that vacuum is located. the light travels in same speed whether it travels in space or earth.


No, not as long as the light stays in vacuum.No, it does not. That is where it has its maximum speed.


The speed of light is not limited in a vacuum - the speed of light is fastest in a vacuum. But that is what Einstein called the "Cosmic Speed Limit" - nothing can move faster than the speed of light in a vacuum, or even quite asfast.


It seems to be impossible to travel faster than the speed of light (in a vacuum).It seems to be impossible to travel faster than the speed of light (in a vacuum).It seems to be impossible to travel faster than the speed of light (in a vacuum).It seems to be impossible to travel faster than the speed of light (in a vacuum).


Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.Light is fastest in a vacuum; in this case, its speed is about 300,000,000 meters/second.


Light always travels at the same speed, the speed of light. At least in vacuum. In a medium light will travel at a slower pace, and the speed decrease is dependent on the color (wavelength) of the light. This is because the refractive index (which determines how fast light can travel through a medium) is color dependent.


The speed of light in a vacuum is the same for any color of visible light... as well as invisible light such as ultraviolet light or x-rays. This speed is 300,000 km/second.


The speed of light IN A VACUUM is always the same. In substances other than the vacuum, the speed of light is usually slower than in a vacuum.


The speed of light in a vacuum is constant.


Flip it over -- The ratio of the speed of light in a vacuum to the speed of light in a given medium is the "Refractive Index" of that medium.


There are a number of possible statements that are true.The speed of light in vacuum is approximately 299,792,458 metres per second.The speed of light in vacuum is the same as the speed of other electromagnetic radiation in vacuum.No massive can be accelerated to travel at the speed of light.


No. All colors of light travel at the same speed in vacuum. Different colors represent light waves with different wavelengths (frequencies).


No, that is not true. In a vacuum, all electromagnetic waves travel at the same speed.


In vacuum, the speed is 299,792,458 meters per second.


The speed of light in vacuum is roughly 874,000 timesthe speed of sound at sea level.Putting it the other way...The speed of sound at sea level is about 0.0000011 times the speed of light in vacuum.



Flip it over -- The ratio of the speed of light in a vacuum to the speed of light in a given medium is the "Refractive Index" of that medium.


When light with wavelength of 589 nanometers moves through water at the temperature of 20° C, its speed is 75% of the speed of light in vacuum.